OverviewSenior Developer at mci group's AI Team, building AI-powered back-office and front-office products.

You will translate product needs into actionable work, mentor peers, and safeguard quality across AI-enabled systems.

Collaborate with DevOps on CI/CD and infrastructure, contributing to a scalable, AI-driven transformation of the organization.

This role blends product and engineering to ship complex features and AI agents that impact the business at scale.

ResponsabilidadesBuild and ship features and AI agents, tackling the most complex components

Translate product needs into clear, appropriately scoped tasks with Product Manager

Mentor peers through pairing, code reviews, and shared tooling

Maintain quality across products, including AI quality metrics (evaluations, guardrails, cost tracking)

Collaborate with DevOps on CI/CD,



infrastructure as code, and monitoring

Requisitos principales5+ years building and shipping production software

Strong full-stack skills: TypeScript/React (Next.js) and Python or C#

Hands-on experience with production LLM applications (RAG, agents, evaluation)

Cloud experience on Azure and solid PostgreSQL data modelling

Collaborative, low-ego approach with a track record of improving team effectiveness

Fluent English; Spanish or French are strong assets

Willingness to travel occasionally collaborative low-ego effective communication

TypeScript/React (Next.js)

Python or C#

production LLM applications (RAG, agents, evaluation)

📌 Group Ai Senior Developer - Mci-Group (Barcelona)
🏢 Mci Group
📍 Barcelona